Magnesium correction for the Na-K-Ca chemical geothermometer

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Description

Graphs and equations have been devised to correct for the adverse effects of magnesium upon the Na-K-Ca geothermometer. Either the graphs or equations can be used to determine temperature corrections when given waters have Na-K-Ca calculated temperatures above 70/sup 0/C and values of R less than 50, where R = (Mg/(Mg + Ca + K)) x 100 in equivalents. Water with values of R greater than 50 probably come from relatively cool aquifers with temperatures about equal to the measured spring temperature, irrespective of much higher calculated Na-K-Ca temperatures.

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Pages: 24

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Fournier, R.O. & Potter, R.W. II January 1, 1978.

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Description

Graphs and equations have been devised to correct for the adverse effects of magnesium upon the Na-K-Ca geothermometer. Either the graphs or equations can be used to determine temperature corrections when given waters have Na-K-Ca calculated temperatures above 70/sup 0/C and values of R less than 50, where R = (Mg/(Mg + Ca + K)) x 100 in equivalents. Water with values of R greater than 50 probably come from relatively cool aquifers with temperatures about equal to the measured spring temperature, irrespective of much higher calculated Na-K-Ca temperatures.

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Pages: 24

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Geological Survey, Open File Service, Denver Federal Center, Box 25425, Denver, CO 80225.

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  • Other: DE83902377
  • Report No.: USGS-OFR-78-986
  • Grant Number: None
  • DOI: 10.2172/6279548 | External Link
  • Office of Scientific & Technical Information Report Number: 6279548
  • Archival Resource Key: ark:/67531/metadc1113271

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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  • January 1, 1978

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  • Feb. 22, 2018, 7:45 p.m.

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  • March 27, 2018, 7:11 p.m.

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Fournier, R.O. & Potter, R.W. II. Magnesium correction for the Na-K-Ca chemical geothermometer, report, January 1, 1978; United States. (digital.library.unt.edu/ark:/67531/metadc1113271/: accessed November 19, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.